* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body,
#app {
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

#app {
  display: flex;
}
iframe {
  flex: 1;
}
.left {
  position: relative;
  height: 100%;
  width: 100%;
}
.right {
  position: relative;
  flex: 1;
}
